At Cornwell Plumbing, we get it. For more than three decades, we've been the go-to for water heater services in Brownsburg, IN. From strange noises to leaks or a complete failure to heat, our family-run team is here to get your hot water—and your comfort—back on track.
Dependable Water Heater Repair and Diagnostics
Not every problem means you need a new water heater. Frequently, these appliances still have a lot of use left; they just need the right expertise to address a particular problem. Our licensed technicians tackle every job with honesty and integrity—principles our founder, Chris Cornwell, established when he started this company in 1989. We don't just make assumptions; we diagnose.
We offer a broad spectrum of repairs for both gas and electric models, such as:
- Burner Assembly Problems: Cleaning or replacing clogged burners to guarantee effective heating.
- Thermostat Malfunctions: Calibrating or replacing faulty thermostats that lead to inconsistent water temperatures.
- Heating Element Replacement: Replacing burnt-out electric heating elements that leave you with tepid water.
- Pressure Relief Valve Inspections: Confirming this essential safety feature is working properly to avoid hazardous pressure accumulation.
If we can resolve the issue without breaking the bank and while ensuring safety, that's precisely what we'll do.
Professional Water Heater Installation & Replacement
Eventually, repairs become impractical. When your unit is approaching its expiration date or the tank is compromised, a new installation becomes the wisest investment for your home's long-term well-being.
We understand that selecting a new water heater can be a daunting task, given the multitude of options available. We'll assist you in the selection process, taking into account your household size, hot water consumption patterns, and energy efficiency objectives.

Traditional Tank Water Heaters
Modern tank units are significantly more efficient than those from a decade past, drastically reducing standby heat loss and keeping energy costs down.

Tankless Water Heater Solutions
The benefits of switching to tankless are clear:
Unlimited Hot Water: Ideal for larger households or homes with heavy hot water usage.
Space Efficiency: Wall-mounted units free up floor space in your utility room or garage.
Durability: Tankless units generally outlast traditional tanks by 5-10 years.
Energy Efficiency: You won't be paying to heat water you're not using.
The Importance of Routine Maintenance
Most water heater breakdowns happen before their time, but they don't have to. Just as your car needs regular oil changes, your water heater needs consistent care to keep running well. Brownsburg and the surrounding Hendricks County areas frequently contend with hard water, which can be rough on plumbing.
Sediment buildup is the primary foe of water heaters. Minerals settle at the tank's bottom, forming a crust that insulates the water from the heat. This forces the unit to work harder, which can cause overheating and tank corrosion.
Our maintenance services include:
Flushing the tank is a straightforward way to get rid of sediment, which helps your water heater run better and stops those annoying rumbling sounds.
Next, we look at the anode rod. This is the "sacrificial" rod that rust would rather attack than your tank. If you replace it when it gets worn down, you could easily double your tank's lifespan.
Safety inspections are also key. We check the venting and the gas lines to make sure everything's safe for your family.
Frequently Asked Questions
You don't need to be a plumbing expert to see the signs. Give us a call if you notice:
Inconsistent temperatures: Water that goes from hot to cold, or just never gets hot enough.
Discolored water: If the water from your hot tap looks rusty or muddy, that's often a sign of tank corrosion or sediment problems.
Strange sounds—pops, bangs, or rumbles—often indicate sediment is boiling away at the tank's bottom.
Moisture pooling around the heater's base? That's a serious leak warning.
It hinges on the unit's age and the repair cost. A good guideline is the "50% rule": if the repair bill exceeds half the price of a new heater, replacement is usually the better bet. Also, if your traditional tank is more than a decade old, repairs might only be a stopgap. We offer clear evaluations to help you make the best financial choice.
Beyond the convenience of never running out of hot water, tankless systems are remarkably energy efficient. They sidestep "standby energy loss" since they don't keep a reservoir of hot water. Though the upfront cost is greater than a conventional tank, the reduced monthly bills and extended lifespan—often exceeding two decades—make them a smart financial decision for many.

